CN216691295U - Fuel supply pipeline system of generator - Google Patents
Fuel supply pipeline system of generator Download PDFInfo
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- CN216691295U CN216691295U CN202123421886.1U CN202123421886U CN216691295U CN 216691295 U CN216691295 U CN 216691295U CN 202123421886 U CN202123421886 U CN 202123421886U CN 216691295 U CN216691295 U CN 216691295U
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Abstract
The utility model provides a fuel supply pipeline system of a generator, which comprises a fuel tank and a fuel injection device, wherein the fuel injection device comprises a fuel injector, an oil inlet pipeline and an oil return pipeline are arranged between the fuel tank and the fuel injector, the oil return pipeline is used for returning residual fuel in the fuel injector, an oil-water separator, a speed regulator, a fuel delivery pump and a fuel filter are sequentially arranged on the oil inlet pipeline, an electromagnetic valve and a one-way valve are arranged between the oil-water separator and the speed regulator, and the electromagnetic valve and the one-way valve are matched to realize the self-starting of the generator. The fuel supply pipeline system of the generator provided by the utility model can avoid fuel leakage, realize the self-starting function of the generator, avoid manual exhaust and save the maintenance cost.
Description
Technical Field
The utility model belongs to the field of fuel supply pipelines, and particularly relates to a fuel supply pipeline system of a generator.
Background
Diesel generators are generators driven by internal combustion engines, which start quickly and operate easily, and are often used as emergency backup power sources or in mobile power stations and in areas where large power grids have not yet arrived, due to the high cost of power generation by internal combustion engines. When the emergency standby power supply is used, the emergency standby power supply is particularly important to start rapidly, for example, after the commercial power of some chemical plants is cut off, a generator is urgently needed to recover electric power, and if the emergency standby power supply cannot be recovered in time, the possibility of safety risk generation is very high. Before the diesel generating set is started, whether oil leakage, water leakage and other phenomena exist among pipelines or not need to be checked, on one hand, the diesel generating set is started again after being started for the first time or stopped for a long time, or the pipelines leak inwards due to the aging of the engine set, the air in the pipelines of the fuel system needs to be exhausted in advance by a manual pressure pump, the manual exhaust time is long, on the other hand, when the pipelines leak inwards due to the aging of the engine set and need to be further maintained, all parts in the fuel system are disassembled for checking, the maintenance cost is not inferior to that of replacing the whole fuel system, and the maintenance cost is high.
SUMMERY OF THE UTILITY MODEL
In view of the problems in the prior art, the main object of the present invention is to provide a fuel supply pipeline system for a generator, which can avoid fuel leakage, realize the self-starting function of the generator, avoid manual exhaust, and save maintenance cost.
The purpose of the utility model is realized by the following technical scheme:
the utility model provides a fuel supply pipeline system of a generator, which comprises a fuel tank and a fuel injection device, wherein the fuel injection device comprises a fuel injector, and an oil inlet pipeline and an oil return pipeline are arranged between the fuel tank and the fuel injector;
the oil return pipeline is used for returning the residual fuel oil in the oil injector;
the oil inlet pipeline is sequentially provided with an oil-water separator, a speed regulator, an oil delivery pump and a fuel filter;
an electromagnetic valve and a one-way valve are arranged between the oil-water separator and the speed regulator; the electromagnetic valve and the one-way valve are matched to realize the self-starting of the generator.
As a further description of the above technical solution, the fuel injection device further includes a fuel injection pump, and the fuel injection pump is provided with a fuel injection advance device;
the fuel injection pump is arranged between the fuel filter and the fuel injector.
As a further description of the above technical solution, the fuel injection pump and the fuel injector are communicated by a high-pressure fuel pipe.
As further description of the technical scheme, the oil delivery pump, the oil injection pump and the fuel filter are communicated by adopting low-pressure oil pipes.
As a further description of the above technical solution, the injection pump is an in-line column injection pump.
As a further description of the above technical solution, the fuel supply pipeline system of the generator further includes a control box, and both the fuel inlet pipeline and the fuel return pipeline are electrically connected to the control box;
the control box can control the electromagnetic valve and the one-way valve in an interlocking mode.
The utility model has the outstanding effects that:
according to the utility model, the electromagnetic valve and the one-way valve are additionally arranged between the oil-water separator and the speed regulator in the oil inlet pipeline of the fuel supply pipeline system of the generator, the electromagnetic valve can be opened by a control box in the system in an interlocking manner, the additionally arranged one-way valve has a one-way sealing effect, the generation of internal leakage in the oil inlet pipeline is avoided, the sufficient oil supply of the oil injector by the oil inlet pipeline is ensured, the automatic starting of the generator within 1min is realized by the cooperation of the electromagnetic valve and the one-way valve, the manual exhaust within 20min is not needed any more, the starting time is short, each part in the fuel system is not needed to be further disassembled, and the overhaul cost is saved.
Drawings
FIG. 1 is a schematic diagram of a fuel supply line system of a generator according to the present invention.
The reference numbers illustrate:
1-an oil injector; 2-a fuel filter; 3-an oil injection pump; 4-oil injection advance device; 5-an oil transfer pump; 6-speed controller; 7-oil water separator; 8-a fuel tank; 9-high pressure oil pipe; 10-low pressure oil pipe; 11-return line; 12-a solenoid valve; 13-one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "middle", "lower", "inner", "outer", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or component referred to must have a particular orientation, be constructed in a particular orientation, and operate, and thus, should not be construed as limiting the present invention. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes embodiments of the present invention based on the overall configuration thereof.
Referring to fig. 1, the utility model discloses a fuel supply pipeline system of a generator, which comprises a fuel tank 8 and a fuel injection device, wherein the fuel injection device comprises a fuel injector 1, and a fuel inlet pipeline and a fuel return pipeline 11 are arranged between the fuel tank 8 and the fuel injector 1;
the oil return pipeline 11 is used for returning the residual fuel oil in the oil injector 1;
the oil inlet pipeline is sequentially provided with an oil-water separator 7, a speed regulator 6, an oil delivery pump 5 and a fuel filter 2;
an electromagnetic valve 12 and a one-way valve 13 are arranged between the oil-water separator 7 and the speed regulator 6; the electromagnetic valve 12 and the one-way valve 13 are matched to realize the self-starting of the generator.
In the above arrangement mode, the fuel injection device comprises a fuel injector 1, a fuel inlet pipeline and a fuel return pipeline 11 are arranged between the fuel injector 1 and the fuel tank 8, the fuel inlet pipeline enables fuel in the fuel tank 8 to enter the fuel injector 1 for atomization so as to supply energy to a motor, and the fuel return pipe enables the fuel left after atomization in the fuel injector 1 to return to the fuel tank 8 for recycling. The oil inlet pipeline is sequentially provided with an oil-water separator 7, a speed regulator 6 and a fuel filter 2, and pretreatment such as oil-water separation, filtration and the like can be performed on fuel pumped out of the fuel tank 8 by the fuel delivery pump 5 arranged between the speed regulator 6 and the fuel filter. An electromagnetic valve 12 and a one-way valve 13 are also arranged between the oil-water separator 7 and the speed regulator 6, the one-way valve 13 has one-way sealing performance, fuel oil is prevented from leaking to the fuel tank 8 from an oil inlet pipeline, and sufficient oil supply of the oil inlet pipeline is ensured; the electromagnetic valve 12 is started to be matched with the one-way valve 13, so that the fuel oil pipeline is not required to be exhausted manually, and the self-starting of the generator supplied by the motor fuel oil supply pipeline system is realized.
Referring to fig. 1, specifically, when power is required to be supplied by the generator, the motor fuel supply pipeline system starts to operate, fuel stored in the fuel tank 8 is pumped out through the fuel delivery pump 5, and passes through the oil-water separator 7, the oil-water separator 7 performs oil-water separation on the pumped fuel, and the oil-water separated fuel is pumped into the fuel filter 2 by the fuel delivery pump 5 after being subjected to speed regulation by the speed regulator 6 to be filtered, so as to filter harmful impurities in the fuel, and further remove moisture contained in the fuel, so as to ensure normal operation of the engine. Wherein, the oil inlet pipeline between the oil-water separator 7 and the speed regulator 6 is provided with an electromagnetic valve 12 and a one-way valve 13, the one-way valve 13 can seal the oil inlet pipeline in a one-way manner, fuel oil is prevented from leaking to the fuel tank 8, the electromagnetic valve 12 is opened and can be matched with the one-way valve 13, so that the generator supplied by the motor fuel oil supply pipeline system is automatically started within 1min, manual work is not needed, and long exhaust work is not needed.
Specifically, in this embodiment, the fuel injection device further includes a fuel injection pump 3, the fuel injection pump 3 is provided with a fuel injection advance device 4, the fuel injection pump 3 is disposed between the fuel filter 2 and the fuel injector 1, the fuel filtered by the fuel filter 2 enters the fuel injection pump 3, and is then injected into the fuel injector 1 by the fuel injection pump 3 to be atomized into the engine power supply, wherein the fuel injection pump 3 is an in-line column type fuel injection pump, and the fuel injection advance device 4 is configured to ensure that a piston of the in-line column type fuel injection pump sprays the fuel before reaching an upper dead point, so as to ensure the working efficiency of the fuel injector 1.
Specifically, in this embodiment, when the fuel injection pump 3 pumps fuel into the fuel injector 1, the pressure difference between the two is high, so that the fuel injection pump 3 and the fuel injector 1 are communicated by using the high-pressure fuel pipe 9; the pipeline pressure difference between the oil delivery pump 5 and the fuel filter 2 and between the oil injection pump 3 and the fuel filter is low, and only a low-pressure oil pipe 10 is needed.
Specifically, in this embodiment, the fuel supply line of the generator further includes a control box (not shown), and both the fuel inlet line and the fuel return line 11 are electrically connected to the control box. The electromagnetic valve 12 and the one-way valve 13 are arranged after the control box receives the starting signal, the control box can interlock the opening of the electromagnetic valve 12 and the one-way valve 13, so that sufficient oil inlet of an oil inlet pipeline is ensured, fuel oil is smoothly conveyed to the oil sprayer 1 for atomization, and a generator supplied by a motor fuel oil supply pipeline system is smoothly started to supply power in a short time.
Specifically, in this embodiment, the oil inlet pipeline and the oil return pipeline 11 are not communicated, and the oil return pipeline 11 is only connected to the fuel filter 2 and the high-pressure oil pipe 9 through threads and is only used for fixing the position of the oil return pipeline 11, and the oil inlet pipeline and the oil return pipeline 11 cannot be considered to be communicated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (6)
1. A fuel supply pipeline system of a generator is characterized by comprising a fuel tank and a fuel injection device, wherein the fuel injection device comprises a fuel injector, and an oil inlet pipeline and an oil return pipeline are arranged between the fuel tank and the fuel injector;
the oil return pipeline is used for returning the residual fuel oil in the oil injector;
the oil inlet pipeline is sequentially provided with an oil-water separator, a speed regulator, an oil delivery pump and a fuel filter;
an electromagnetic valve and a one-way valve are arranged between the oil-water separator and the speed regulator; the electromagnetic valve and the one-way valve are matched to realize the self-starting of the generator.
2. The generator fuel supply line system according to claim 1, wherein the fuel injection device further comprises a fuel injection pump provided with a fuel injection advance;
the fuel injection pump is arranged between the fuel filter and the fuel injector.
3. The generator fuel supply line system of claim 2, wherein the fuel injection pump is in communication with the fuel injector via a high pressure fuel line.
4. The generator fuel supply line system of claim 1, wherein the fuel delivery pump, the fuel injection pump and the fuel filter are all communicated by low pressure fuel lines.
5. The generator fuel supply line system of claim 4, wherein the fuel injection pump is an in-line column fuel injection pump.
6. The generator fuel supply line system according to any one of claims 1-5, wherein said generator fuel supply line system further comprises a control box, said fuel inlet line and said fuel return line being electrically connected to said control box;
the control box can control the electromagnetic valve and the one-way valve in an interlocking mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123421886.1U CN216691295U (en) | 2021-12-31 | 2021-12-31 | Fuel supply pipeline system of generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123421886.1U CN216691295U (en) | 2021-12-31 | 2021-12-31 | Fuel supply pipeline system of generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216691295U true CN216691295U (en) | 2022-06-07 |
Family
ID=81824781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123421886.1U Active CN216691295U (en) | 2021-12-31 | 2021-12-31 | Fuel supply pipeline system of generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216691295U (en) |
-
2021
- 2021-12-31 CN CN202123421886.1U patent/CN216691295U/en active Active
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